UVD_GPCOM_VCPU_DATA0
data[0] = PACKET0(offset + UVD_GPCOM_VCPU_DATA0, 0);
case UVD_GPCOM_VCPU_DATA0:
ib.ptr[0] = PACKET0(UVD_GPCOM_VCPU_DATA0, 0);
radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));